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disp: msm: dsi: Avoid dynamic mode switch during first commit

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Dynamic mode switch (DMS) is not supported for video mode panels
before cont-splash handoff handled for first frame. so avoid
dynamic mode-switch during cont-splash handoff for any DRM mode change.

WA is given by QC for GSI issue, as of observation there are no
side effects

QC SR:05515278
QC CR:NA
QC Change ID:Icd5881af99afb3e398d3bba3746b7a35bcda4491

Change-Id: I97f5712ce5bb8448f1c600ccf306d0dac7fa6eae
Signed-off-by: maheshmk <maheshmk@motorola.com>
Reviewed-on: https://gerrit.mot.com/2113033
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Ashwin Kumar Pathmudi <jfxr63@motorola.com>
Reviewed-by: Shuo Yan <shuoyan@motorola.com>
Reviewed-by: Guobin Zhang <zhanggb@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Raghavendra Ambadas 2021-11-11 11:33:49 +05:30 • committed by Michael Bestas
commit 85ce702b47
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1 changed files with 7 additions and 1 deletions
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8
techpack/display/msm/dsi/dsi_drm.c
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@ -437,7 +437,13 @@ static bool dsi_bridge_mode_fixup(struct drm_bridge *bridge,
(!(dsi_mode.dsi_mode_flags & DSI_MODE_FLAG_DYN_CLK)) &&
(!crtc_state->active_changed ||
display->is_cont_splash_enabled)) {
dsi_mode.dsi_mode_flags |= DSI_MODE_FLAG_DMS;
/* Reject DMS for First commit for Video Mode Panel */
if((dsi_mode.panel_mode == DSI_OP_VIDEO_MODE) &&
display->is_cont_splash_enabled)
DSI_ERR("DMS not supported for display type:%d for first frame\n",
dsi_mode.panel_mode);
else
dsi_mode.dsi_mode_flags |= DSI_MODE_FLAG_DMS;
SDE_EVT32(SDE_EVTLOG_FUNC_CASE2,
dsi_mode.timing.h_active,